Ira Jacobs


Professor & Dean

Faculty of Kinesiology and Physical Education
55 Harbord St., Rm # 2080
Toronto, ON M5S 2W6



DrMedSc (clinical physiology), Karolinska Institute, Sweden, 1981

MHK (exercise physiology), University of Windsor, 1978

Dip Phys Ed (physical education), Wingate Institute, Israel, 1976



Exercise physiology

Human skeletal muscle metabolism

Physiological adaptations to acute short-term, high intensity exercise

Nutritional and/or pharmacological interventions affecting exercise  performance

Exercise pharmacology

Physiological responses and adaptations to environmental extremes


Recent Publications
Green, H., M. Burnett, I. Jacobs, D. Ranney, I. Smith, S. Tupling. Adaptations in muscle metabolic regulation require only a small dose of aerobic-based exercise. Eur. J. Appl. Physiol. 113: 313-324, 2013.

Green, J. M. Burnett, S. Carter, I. Jacobs, D. Ranney, I. Smith, S. Tupling. Role of exercise duration on metabolic adaptations in working muscle to short-term moderate-to-heavy aerobic-based cycle training. Eur. J. Appl. Physiol. Epub ahead of print 2013 March 30.

Jacobs, I., D.G.Bell.  Effects of modafinil on exercise time to exhaustion.  Med. Sci. Sports Exercise 36:1078-1082,  2004.


Baranski, J., R. Pigeau, P. Dinich,  I. Jacobs.  Effects of modafinil on cognitive and meta-cognitive performance. Hum. Psychopharmacol. Clin. Exp. 19:323-332, 2004.


Bateman, W.A., I. Jacobs, F. Buick.  Physical conditioning to enhance +Gz tolerance:  issues and current understanding.  Aviat. Space Environ. Med. 77:573-580, 2006.


Brown, E., Gray, G. Hasham, S., Ing, H., Lange, L., Jacobs, I., Saary, J., Hamilton, D., Watabe, M., Pool, S., Yamada, R. Needs and capacity study: provision of medical care solutions for long duration human space flight missions.  Final Contract Report for the Canadian Space Agency, October 2006.


Jacobs, I., Michas, R., Limmer, R., Kerrigan-Brown, D., McLellan, T., Turbide, P. Heat stress mitigation for Leopard 2C tank crew. DRDC Toronto Technical Report TR-2007-082, May 2007


Jacobs, I. Exploiting human science advances for military operations: past challenges & future vision. In: Proceedings of the NATO Research Technology Organization Conference on “Human Performance Enhancement for NATO Military Operations.” NATO RTO-MP-HFM-181, Sofia, Bulgaria, October 2009.


Previous Graduate Student Thesis Topics

Pharmacokinetics and performance effects in humans of ingesting modafinil combined with caffeine.


Effects of alpha-lipoic acid dietary supplementation on skeletal muscle glycogen repletion rates.


Physiological Adaptations to Three Weeks of Combined Aerobic and Anaerobic Training. 


Skeletal Muscle Fatigue and +Gz Tolerance in Humans. 


Effects of Caffeine Combined With Ephedrine on Muscular Strength and Endurance.


Skeletal Muscle Substrate Availability and Temperature Regulation During Cold Water Immersion in Humans.


Creatine:  A Potential Ergogenic Aid


Professional Affiliations

Canadian Society for Exercise Physiology

American College of Sports Medicine

International Space Station Exercise Countermeasures Working Group

With regrets, Professor Jacobs will not be accepting any new graduate students in the 2015/16 academic year.